New Hampshire Cosmetology Practice Exam 2025 – 400 Free Practice Questions to Pass the Exam

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What is a common cause of dandruff?

Bacterial infection

Dry scalp

Malassezia fungus

A common cause of dandruff is the Malassezia fungus. This yeast-like fungus is naturally found on the scalp and can thrive on the scalp's oils. When there is an overgrowth of this fungus, it can contribute to irritation and inflammation of the scalp, leading to increased cell turnover. The rapid shedding of skin cells results in the formation of the white or yellowish flakes commonly associated with dandruff.

While other factors, such as dry scalp and allergic reactions, can also contribute to flaking, they do not address the specific underlying issue of fungal overgrowth linked to dandruff. Understanding the role of Malassezia is crucial for identifying dandruff's true root cause and determining effective treatments.

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Allergic reaction

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